Answer:
1) x=3, y=-3
Step-by-step explanation:
10x + 7y = 9 —— (1)
-4x -7y = 9 —— (2)
(1) + (2)
6x = 18
x = 18/6
x = 3
put x=3 in (1)
10(3) + 7y = 9
30 + 7y = 9
7y = 9 - 30
7y = -21
y = -21/7
y = -3
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Answer:
The answer is t=4 s
Step-by-step explanation:
Answer:
Take the root of both sides and solve.
f
=
9 and −
9
Step-by-step explanation:
Just draw a graph and plot them on the graph then count how many squares (in short) there is between them.
